Novel Uniplanar Electromagnetic Bandgap Structure for High Gain Antenna and Filter Designs

被引:2
作者
Dey, Soumik [1 ]
Ashok, K. [2 ]
Sreemoolanadhan, H. [2 ]
Babu, Fibin Bethel [3 ]
Dey, Sukomal [1 ]
机构
[1] Indian Inst Technol Palakkad, Dept Elect Engn, Palakkad, Kerala, India
[2] Indian Space Res Org, Vikram Sarabhai Space Ctr, Bangalore, Karnataka, India
[3] TKM Coll Engn, Elect & Commun, Kollam, Kerala, India
来源
2022 IEEE 19TH INDIA COUNCIL INTERNATIONAL CONFERENCE, INDICON | 2022年
关键词
Antenna superstrate; Electromagnetic bandgap; High gain antenna; Microstrip filter; EBG STRUCTURE; COMPACT; ENHANCEMENT; ARRAY;
D O I
10.1109/INDICON56171.2022.10040201
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
New uniplanar electromagnetic bandgap (EBG) element is designed in this work for the superstrate of highly directive planar antenna and microwave filter design. The layout of the EBG is conceived of four arms spiral resonators (FASRs) and four corner square patches as a part of interdigital capacitor (IDC). The unit cell has dimension of only 3 mm, and the structure is engineered on a grounded dielectric substrate Taconic TLC-32 of thickness 0.79 mm. The designed EBG exhibits a wide bandgap property between the frequencies of 9.6-12.48 GHz ( 26.1 %). This work focuses on two different applications of the EBG - one as a superstrate of the microstrip antenna and the second as EBG loaded microstrip filter. The EBG loaded patch shows gain enhancement of 7.1 dB and bandwidth (BW) improvement of 330 MHz as compared to the reference antenna. A novel EBG based wideband filter is proposed for the C-band application. The passband BW of the filter covers the frequencies of 4.76-7.29 GHz (42 %) having insertion loss (IL) in the structure is below 1.2 dB over the operating range.
引用
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页数:5
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